------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(rt_mutex_owner(lock) != current)
WARNING: kernel/locking/rtmutex_common.h:182 at 0x0, CPU#1: syz.1.27/6061
Modules linked in:
CPU: 1 UID: 0 PID: 6061 Comm: syz.1.27 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:debug_rt_mutex_unlock kernel/locking/rtmutex_common.h:182 [inline]
RIP: 0010:rt_mutex_slowunlock+0x6c7/0x8a0 kernel/locking/rtmutex.c:1419
Code: da 8e 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 c0 01 00 00 83 3d dd 32 06 04 00 75 13 48 8d 3d 60 32 09 04 48 c7 c6 60 1e eb 8a <67> 48 0f b9 3a 90 e9 35 fa ff ff 90 0f 0b 90 e9 59 fe ff ff be 02
RSP: 0018:ffffc900055df800 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff88805f42b970 RCX: 0000000000080000
RDX: ffffc90010d85000 RSI: ffffffff8aeb1e60 RDI: ffffffff8edd9b00
RBP: ffffc900055df8f0 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1db536f R12: dffffc0000000000
R13: ffff88805f42b920 R14: 0000000000000a02 R15: 1ffff92000abbf08
FS:  00007ff9e01146c0(0000) GS:ffff888126e12000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 0000000028c06000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:1037 [inline]
 open_last_lookups fs/namei.c:4548 [inline]
 path_openat+0x1bb1/0x3df0 fs/namei.c:4784
 do_filp_open+0x1fa/0x410 fs/namei.c:4814
 do_sys_openat2+0x121/0x200 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1447
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff9e1eef749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff9e0114038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ff9e2146180 RCX: 00007ff9e1eef749
RDX: 0000000000101142 RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007ff9e1f73f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff9e2146218 R14: 00007ff9e2146180 R15: 00007ffea8ad6d98
 </TASK>
----------------
Code disassembly (best guess):
   0:	da 8e 48 c1 e8 03    	fimull 0x3e8c148(%rsi)
   6:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax
   b:	84 c0                	test   %al,%al
   d:	0f 85 c0 01 00 00    	jne    0x1d3
  13:	83 3d dd 32 06 04 00 	cmpl   $0x0,0x40632dd(%rip)        # 0x40632f7
  1a:	75 13                	jne    0x2f
  1c:	48 8d 3d 60 32 09 04 	lea    0x4093260(%rip),%rdi        # 0x4093283
  23:	48 c7 c6 60 1e eb 8a 	mov    $0xffffffff8aeb1e60,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	90                   	nop
  30:	e9 35 fa ff ff       	jmp    0xfffffa6a
  35:	90                   	nop
  36:	0f 0b                	ud2
  38:	90                   	nop
  39:	e9 59 fe ff ff       	jmp    0xfffffe97
  3e:	be                   	.byte 0xbe
  3f:	02                   	.byte 0x2